Register



Oct. 24, 1933. p CROSMA'N REGISTER Filed Feb. 25, 1931 8 Sheets-Sheet 2 Vlg S31/manto@ faking C/Oaf OC. 24, 1933. L P' CROSMAN 1,932,013

REGISTER Filed Feb. 25, 1931 8 sheetsneet 3 Snuentot. LoringPC/osman y bfotfne DGL 24, 1933. I A l p CRQSMAN 1,932,613

REGISTER Filed Feb. 25, 1931 8 Sheets-Sheet 4 S11/wants@ 5351?* @Hom/Le Oct. 24, 1933. L P. cRosMAN REGISTER Filed Feb. 25, 1951 8 Sheets-Sheet 6 S14/vento@ Loring Cnosman 0d. 24, 1933. L. P. cROsMAN REGISTER Filed Feb. 25, 1931 v 8 Sheets-Sheet 7 0d. 24, 1933. L P` CROSMAN 1,932,013

REGISTER Filed Feb. 25, 1931 8 Sheets-Sheet 8 Jana IZ.

/NI/ENTOK Loring pcros'man lll lill

Patented @et 24, 1933 lioring P. tCrosrnan, Maplewood, N. il., assigner to Gardner Company, @ra-nge, N. il., a corpora tion or )Delaware The invention has relation to registers, and more particularly to listing calculators, and it consists in the provision oi1 improved motor drive means and to improved operation control devices for such machines.

The invention consists in the novel construetion and combination oi parts as set forth in the appended claims.

in the present application, the invention is shown as applied to a register of the Gardner type, disclosed in its essential ieatures in the U. S. patent issued to Clyde Gardner, July l2, i932, No. l,867,002, entitled Calculating machines, (said patent being substantially similar to the disclosures of British Patent 272,569 and 293,@80).

The invention is also shown as utilizing certain improvements upon the above-noted structure, disclosed in U. S. Patent No. liittl, issued to Harold P. Mixer on November 2d, 193i, entitled Calculating machine.

ln the accompanying drawings, illustrating the invention:

Fig. i is a plan view of a calculating machine embodying the invention.

llig. 2 is e. section talren on line 2 2 or lig. l.

Fig. 3 is a section talren on line 'Zi-3 oi Fig. l.

lig. Ll is a detail side elevation of the minus har mechanism.

Fig. 5 is a rear elevation o the machine with the owing broken away.

Fig. 6 is e side elevation oi parts or the regs= ter control mechanism.

tig. 'l is an elevational view, showing certain parts oi lilig. d in e. diderent adjusted position.

Fig. e is a detail plan view o the register wheels.

Fig. 9 is a fragmentary side elevation, showE ing the register control key andelectric circuit mechanism.

Fig. lo is a detail left side elevation oi the left hand control lrey mechanism. I

Fig. ll is a section token on line ll--ll or Fig. l. f

Fig. l2 is an elevation showing the total tripping and locking mechanism.

Fig. 13 is a similar view, showing the parts in another position. v

For each denominational order, the machine is provided with a three-armed actuator lever, nurnl loer-ed di@ on the drawings (Fig. 2), these levers losing loosely mounted on a shaft e. The ionward arm ci each lever di@ terminates in a segfn mental registering rack: the reerward arm has a listing type par dll pivoted thereto, and the upper arm has pivotal connection with a didern entiel stop par @lo cooperating with a Yoann oi digit keys 215 to limit the movement oi7 the lever dill.

The digit keys 215 which have heen depressed to represent a value are latched in position with the bottoms of their stems lying in the path to of movement of the related stop lugs oi the hars 6l5, allowing such bars to advance a. dis-a tance proportional to the value of the-ley,`upon operation of the machine. Depression of a digit key will also remove a column latch 211i from e5 the path of movement o its related bar 6l5, these latches preventing movement oi a stop har and lever 61o in any'column in `which no key is depressed.

A rock. shalt Bill is provided with cam means Slt for governing the movement of a spring ten-l sioned rocker frame old, mounted on shalt 608, trarne 616 carrying a series of dogs 617 normally engaged by studs 659 o the levers 610. is shaft Bill is rotated forwardly, frame @lo will he rocked, l5 and any of the levers old which have been re= leased hy the depression of digit lreys will he allowed to rotate, under the influence of their spring 633, until they are stopped loy the lugs oi har @l5 contacting with the stems of the lreys. 3@ Upon rearward rotation of shaft 301, the dogs ol'l "will return the operated levers Glo to nor position. This excursion ci' the levers dill serves to register amounts set in the keyboard upon one or more accumulatore and to set up a similar amount on the printing line or the type hars.

Motor drive means Shaft Zilli 'is oscillated by means of an electric W motor loll, connected through gearing lol (Figs. 3 and 5) with a driver member loZ, comprising a gear, provided with an extended huh, forming one element of a friction clutch. The other element of said clutch consists of a spring lilimounted at lod upon a driven member or cra-nir. arm loo. Spring 103 extends arcuatelyk around the hun o member l02, and is formed at its free end with a radially bent portion adapted to M constitute circuit breaking devices in the electrical connection of motor 100.

To establish the drive, clutch lever 106 being rocked about its fulcruni, roller 109 will force the contact members 110 into engagement, and thereby start the electric motor. At the same time the end of lever 106 will be disengaged from the free end of spring 103, which will allow the spring, wrapped firmly about the hub of member 102, to rotate, and drive the shaft 301. There will, however, be sufficient slippage between the spring and the hub to permit the motor to rotate in case of the machine becoming jammed in any manner. The clutching action of the spring is increased by the arrangement whereby the spring extends from the connection 104, around hub 102, in the direction of rotation, so that the rotation of the hub will tend to wrap the spring therearound.

Spring lll tends to pull lever 106 away from clutchspring 103, the lever being normally held in engaging position by means of a latch 112. Latch 112 is controlled by a trigger 113, lying in the path of movement of a lever arm connected with an add key or plus bar 114. Upon depression of key 114, trigger 113 will release latch 112 and clutch lever 106 will be pulled out of engagement with clutch spring 103 to start the machine in operation.

Upon release of key 114 latch 112 will return under spring action into latching position, and toward the end of the cycle of operation an arm 115 connected with the crank member 105 will contact with a tooth 116 of the clutch lever 105 and will force said lever back into latching position, breaking the electric circuit and bringing the end of lever 106 into the path of movement of the rotating spring 103, As spring 103 contacts with lever 106, the friction will be relieved, until the motor is brought to rest by the flexing of the spring. In repeat operations, key 114 is held depressed so that latch 112 will be held out of engagement with clutch lever 106 and another cycle of operation will be started.

The above-)described excursions of the levers 610 effect positive or negative registration of values set up in the keyboard in the following manner:

The segmental racks of the levers 610 are designed to operate the accumulator wheel gears 472 (Fig. 2) of one or I nore accumulatore. These accumulators are shown in British Patent 293,- 080, as means for storing sub-totals, totals, or remainders, to be printed, but could, of course, be provided with visible numeralwheels, from which the accumulated amounts could be read. Tens carry mechanism 470 is provided, according to the disclosure of British Patent 272,569.

The accumulator shafts 403 are slidably mounted in slots of frame plates 410 (Fig. 6) and when either or both of the accumulators are set to active position, the gears 472 thereof are brought into mesh with the racks of the levers 610, where they are held, against spring tension exerted on shaft 403, by a rocking cam plate 419, engaging said shaft.

The cam plate 419 has connection through link 321 with an arm 322 of a rocker device 325, provided with two cam followers adjustable by keyset control devices to different positions relative to cam arms 316 and 320, respectively, of rock shaft 301.

Normally these control devices are set (as in Fig. 6) to provide for additive registration, wherein the accumulator shaft 403 will be moved away from the racks of levers 610 before said racks are allowed to move, and will be moved to reengage the gears 472 while the racks lie in the extreme positions permitted bythe keys 215 and stop bars 615. As shaft 301 is returned, and the racks allowed to rise, the value set in the keyboard will be additively transferred to the register.

The type bars 611 are provided each with a row of type, representing the digits l to 9 and 0, the zero type being normally on the printing line, When the levers 610 are moved in accordance with a key setting, the related type bars will be raised to bring the appropriate type to the printing lines.

The type hammers 715 (Fig. 2) are adapted to be operated by spring actuators 700, but are normally held in tensioned position by latches 701. When a type bar is lifted, a tripping finger 702 is allowed to move into engagement with the corresponding latch 701, and at the end of the forward rotation of shaft 301, a frame upon which the tripping lingers are mounted is moved forwardly, releasing the hammers from those latches which have been engaged by the fingers 702. In order to print the zero characters in the lower order places wherein no amount from 1 to 9 has been set up, the higher order latches 701 are provided with offsets 703, lying in the planes of and designed to trip the lower order latches.

The hammers are restored and relatched during the return rotation of shaft 301 by means of a bail 707, operated through a reciprocatory cam.

Special operations Automatic clearing means are provided, operating to release the digit keys 215 at the end of a cycle of operation, a settable repeat key serving to disable the automatic clearing means when repeat operations are to be performed. A manually operable means for releasing any digit keys 215 is also provided. Means whereby amounts may be stored in 'the registers without operation of the printing devices; means for printing in two colors according to the accumulator which is in operation, and paper and ink ribbon feeding devices may also be used. All of these means are fully described in the British Patent 203,080 hereinbefore referred to.

In order to register items negatively in one or both accumulatore 'without special setting thereof, a subtract key or minus bar 274 is located adjacent the plus bar 114. The free end of the subtract key lever is adapted to contact with and rock a plate 117 in a clockwise direction as viewed in Figure 4, said plate in turn operating the trigger 113 to release latch 112 and start the machine in operation. A pin 119 in plate 117 cooperates with a notched surface 120 of key 114 to lock either key 114 or 274 when the other key is depressed, said pin moving out of line with the notch when key 274 is operated, and being engaged and held by the walls of the notch when key 114 is operated.. Plate 117 is secured upon the end of shaft 113, which runs across `the machine, said shaft having an arm 121 (Figs. 3 and 6) secured thereon and having a link connection 122 with the control plate 326 of the rocker 325. This control plate governs the position of the cam followers, as fully described in British Patent 293.080, i

and when readjusted by forward movement of link 122, upon depression of the minus bar, the time at which rocker 325 is operated to shift the accumulators out of and into mesh with the segthe path of the 0 stops 457 on the accumulator wheels. The successive release of the differein tial stop bars 615 by the latches 214 is essential because of the character of the tens transfer mechanism employed between the accumulator wheels. As described in British Patent 272,569, hereinbefore referred to, this carry :mechanism is of the crawl type, wherein every unitroi movement of a lower order wheel will transmit onetenth of a unit of movement to the nekt adjacent higher order wheel. Therefore, in Exercising as each lower order wheel is returned to D, it will subtract from the higher order wheel the frac tional movements previously transmitted.

When this zeroizing operation has progressed to the left hand side of the machine, a rearwardly extending arm of the total segment 613 will contact with a projection of a rod 13D (Figs. 3 and 11), connected at its other end to a trigger 131, adapted to release latch 112, t start the machine. The machine being put in operation, the differential stop bars 615 will be relatched, the hammers will be tripped, and the parts restored to normal position.

The total and sub-total keys are locked in de pressed position by latch 223 (Fig. 12) and are released near the end of the cycle of motor operation by means of arm 327 (having link con nection with cam arm 320) and dog 220, operated by said arm about pvot 252. When the parts arrive in full cycle position, arm 327 will have moved from the position illustrated in Fig. 12 into position beneath the contact pawl 222 of dog 220, said pawl having escaped from the arm and the dog 220 and latch 223 having been returned by their springs into normal position. In order` that these keys shall not remain locked down indefinitely, in case the key is held depressed until after the releasing mechanism has operated, means are provided for repeating the total opera tion as long as the key is held depressed, this means operating as follows (Figures 11, 12, 13)

In tripping the total segment latch, crank shaft 206 is rocked by the total or sub-total key as seen in Fig. 12, an arm 229 on said shaft contacting with a pin 132 in the latch-operating arm 621. The latch being tripped, and total segment 618 rising, the latching lug 627 of the segment will be brought in contact with lever 621, moving pin 132 out of contact with arm 229 and into contact with a shoulder 133 of a rock plate 134, pin 132 being held against said shoulder by the latch spring. During the following motor operation of the machine, the forward movement of rocker cam 318 will release a spring tensioned push rod 135 connected with rocker plate 134, and shoulder 133 will be rotated counterclockwise from the position shown in Fig. 13 until pin 132 comes below arm 229 as shown in Fig. l2. If the key is re leased at this time, latch 620 and arm 229 will be restored to normal position ipin 132 camming arm 229 forwardly), and the totalizing operation will be concluded. So long, however, as the key is held depressed, arm 229 will hold pin 132 in the path of movement of shoulder 133, and at the end of the cycle of motor operation, rocker cam 318 will contact with and retract push rod 135 and the shoulder 133 of plate 134, acting upon pin 132, again trips the total latch and the second totaling operation will occur, at the end of which the key releasing mechanism will again operate.

The operation of the clutch is insured, follow ing the rapid depression and release of a motor key, both by the action of latch 112 and by that of spring 103, these devices insuring that the .Legame stopping arm 106 will notdrop behind spring 1133 before the driven parts of the clutch have been rotated by the motor. Parts 193 and i12 therefore constitute quick stroke devices, the employment of which leads to the requirement that the latch 126 for the subtract, non-add shaft 118 shall also be of a quick stroke nature, insuring the operation being of the character selected. l

1. In a register, a lplurality of accumulatore, actuators therefor, `motor drive rneans for said actuators including `electric circuit devices, and means selectively settable to render one or the other accumulator-active with relation to the actuators; a circuit breaker interposed in said elecn tric circuit devices, means cooperating with said settable means to close the circuit breaker upon rendering an accumulator active, and means for holding the circuit breaker closed during the operative cycle of the actuators.

2. In a register, a plurality of accumulators, actuators therefor, motor drive means for said actuators including `electric circuit devices, and means selectively settable to render one or the other accumulator active with relation to the actuators; a circuit breaker interposed in said electric circuit devices, and means cooperating with said settable means to close the circuit breaker upon rendering an accumulator active, a latch for holding the circuit breaker closed and means for releasing the latch at the end of an operative cycle of the actuators.

3. In a register, an accumulator, motor driven actuators therefor, and means adjustable to determine plus or minus registration by said actuators upon the accumulator or to disable the accumulator during operation of the actuators; drive control means including a member operable in either of two directions to effect motor operation of said actuators, a key adapted to operate said member in one direction, a key adapted to operate said member in the other direction, means between one of said keys and the adjustment means operable to change the` normal sign character of the registration, and means between the other key and the adjustment means operable to prevent registration upon said accumulator.

4. In a listing register, an accumulator, printing mechanism, setting means for said mechanism normally under spring tension, and means cooperating with said accumulator and operating to release said setting means for spring action to set up a total in said printing mechanism; motor f operating means including a power transmission train to said printing mechanism and to said setting means, a clutch in said train, and means automatically operable at the conclusion of a setting operation to engage said clutch and there by print the total and restore the setting means to normal condition.

5. In a listing register, an accumulator includ-- ing means for advancing a higher order wheel a fraction of a step during each full step advance of a lower order wheel, printing mechanism and means for setting a total in said printing mechanism; motor operating means for said printing mechanism, a motor key and means controlled by said key adapted to render the total setting means and printing operating means successively effective.

6. In a listing register, an accumulator includ-M ing means for advancing a higher order wheel a fraction of a step during each full step advance of a lowerbrder wheel. printing mechanism, setting means for said mechanism including mem- Lose, is

bers normally under spring tension, and means cooperating with said accumulator and operating to release said setting members successively to set up a total in said printing mechanism; motor op erating means for said printing mechanism, a motor key and means controlled by said key adapted to render the total setting means and printing operating means successively effective.

7. n a register, the combination of an accumulator, motor driven reciprocatory actuators therefor, and movable motor driven means :for timing adjustment of said accumulator and said actuators relativeiy to each other to determine a registration, freely retractible plus and minus keys, means operable by the manual depression of either of said keys to cause motor operation of said actuators, means set by one or" said keys to change the timing movements ot the adjustment means to thereby change the sign character oi the registration, ant cyclically operated devices for holding' the last deans in set position.

8. In a register, the combination or" two accumulatore, motor driven reciprocatory actuators therefor', and movable motor driven means for timing adjustment oi said accumulatore simultaneously or alternatively relative to said actuators to determine like or unlike registration, freely retractible plus and minus keys, means operable by the manual depression of either of said keys to cause motor operation of said actuators, means set by one of said keys to change the timing movements o the adjustment means to thereby change the sign character of the registration upon both accumulatore, and cyclically operated devices for holding the last means in set position.

s. En a register, an accumulator, motor driven actuators therefor, movable motor driven means for timing said accumulator anclsaid actuators relatively to each other to determine plus or minus registration or to disable the accumulator; a plus key, a minus key, a third motor key, means settable by one of said keys to change the timing movement or the adjustment means and thereby change the sign character of the registration, and diierentially settable by another of said keys to prevent timing movement of the adjustment means and thereby prevent registration upon said accumulator, and cyclically operated devices for holding the last means in set position.

io. in a register, the combination oi an accumulator, motor driven reciprocatory actuators therefor, movable motor driven means for timing adjustment on said accumulators and said actuators relatively to each other to determine a registration, freely retractible plus and minus keys, a clutch between the motor and the actuators, quick stroke latch mechanism releasable by manual depression of either of said keys to hold the clutch in engaged position, means set by one o said keys to change the timing movements of the adjustment means to thereby change the sign character of the registration, and cyclically operated quick stroke latch mechanism for holding the means set by one of said keys in set position.

LORING P. CROSMAN, 

